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EP 4 377 987 A1

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(43) Date of publication: 05.06.2024 Bulletin 2024/23 (21) Application number: 22754580.3 (22) Date of filing: 22.07.2022

(51) International Patent Classification (IPC):  H01H 39/00(2006.01) A61M 5/20(2006.01) A61M 5/30(2006.01) F15B 15/19(2006.01) F02P 3/01(2006.01) (52) Cooperative Patent Classification (CPC): A61M 5/2053; A61M 5/30; A61M 5/2046 (86) International application number: PCT/JP2022/029218 (87) International publication number: WO 2023/008541 (02.02.2023 Gazette 2023/05)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 27.07.2021 JP 2021122470 16.09.2021 FR 2109736 (71) Applicants: L'OREAL 75008 Paris (FR) AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR  Lee, Chin Kai Kawasaki-shi, Kanagawa 213-0012 (JP) AL  Park, Woo Ram Kawasaki-shi, Kanagawa 213-0012 (JP) AL

(72) Inventors: LEE, Chin, Kai Kawasaki-shi Kanagawa 213-0012 (JP) PARK, Woo, Ram Kawasaki-shi Kanagawa 213-0012 (JP) (74) Representative: Cabinet Nony  11 rue Saint-Georges 75009 Paris 75009 Paris (FR)